On Thu, Feb 18, 2016 at 12:46:50PM -0500, Leo Famulari wrote: > I didn't realize that copy-file's return value is unspecified. I've > found that it does tend to make the whole build fail when the source > file doesn't exist, so it must be returning #f in that case, right?
Not necessarily. Many things with side-effects just fail with an error when there is a problem. So in many cases, the question of whether one needs to explicitly return #t in the end is mainly aesthetic. Andreas
